Porch decks require 25 additional psf for roof loads for a total of 80 psf.
Adding a roof to an existing deck.
Make a cutting on one of the sides of the horizontal roof beam on an angle.
Rafters should be attached to the header beam using hurricane ties.
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Blow out the dust fill the hole with epoxy and insert the rod to the required depth.
Let the epoxy set leaving it overnight will assure that it is rock solid and then add the anchor bolt anchor washer and nut and tighten.
Decks typically are designed to support 55 pounds per square feet or psf of weight.
If you are tying the shed roof into an existing roof on the house you will need to remove the shingles and sheathing to expose the roof framing.
Discuss the following issues with your professional handyman during the deck roof design process.
If the roof is attached to the deck it needs to be able to support the weight.
You have to do it thoroughly so that the rafters sit flush on it.
Before you begin make sure you re matching the house roof pitch angle and overhang for your roof.
Installing a porch roof over an existing deck is usually not recommended unless the deck was originally designed to support a future porch.
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Porch decks also require larger footings than deck footings.
If the deck doubles as a porch it needs to be able to support no more than 80 psf.
Typical decks are designed to support 55 psf lbs per square foot.
Attach the horizontal beam by using a nail gun.
Roof over deck cost.
Take a look at our step by step guide for building a shed roof over your existing deck.
Building on an existing deck.
After that to make it flush with the roof of the existing house cut the two outer rafters.
The best time to build a roof over your deck is during the construction of the deck itself.
Check local building code to see if you can attach a patio roof directly to your deck.
These are used to attach the support posts to the frame of the.
You will need to attach the porch rafters to the house roof rafters and replace the roofing and flashing.
If you have an existing deck it s possible to add a roof to it by installing additional supports.